Woodward 5466-258 Discrete I/O Module

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Item no: 5466-258

brand: Woodward


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Manufacture Woodward
Model 5466-258
Ordering information 5466-258
Catalog MicroNet Digital Control
Description Woodward 5466-258 Discrete I/O Module
Origin United States (US)
HS Code 85389091
Dimension 16cm*16cm*12cm
Weight 0.8kg


This Actuator Driver module receives digital information from the CPU and generates four proportional actuator-driver signals. These signals are proportional and their maximum range is 0 to 25 mAdc or 0 to 200 mAdc. Figure 10-5 is a block diagram of the four-channel Actuator Driver module. The system writes output values to dual-port memory through the VME-bus interface.

The microcontroller scales the values using calibration constants stored in EEPROM, and schedules outputs to occur at the proper time. The microcontroller monitors the output voltage and current of each channel and alerts the system of any channel and load faults. The system can individually disable the current drivers. If a fault is detected which prevents the module from operating, by either the microcontroller or the system, the FAULT LED will illuminate.

When used in conjunction with the MicroNet Safety Module (MSM), the MicroNet Plus and MicroNet TMR platforms have been certified by TUV as meeting SIL-1, SIL-2, or SIL-3 per IEC 61508 Parts 1-7,
“Function Safety of Electrical / Electronic / Programmable Electronic Safety Related Systems”. For
applications requiring compliance with IEC 61508, the guidelines outlined in this manual must be

Both the MicroNet Plus and MicroNet TMR platforms use configurable GAP/Coder software. The
examples shown within this manual are intended to show only one possible typical configuration. The
safety system design team will determine the final system/software architecture. A safety based design review and functional testing are recommended to verify the overall system design.

See MicroNet Safety Module Manual 26547V1 and 26547V2 for proper configuration of the MSM to meet the requirements of IEC61508.

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